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quay/boot.py
2019-11-12 11:09:47 -05:00

131 lines
3.9 KiB
Python
Executable file

#!/usr/bin/env python
from datetime import datetime, timedelta
from urlparse import urlunparse
from jinja2 import Template
from cachetools.func import lru_cache
import logging
import release
import os.path
from app import app
from data.model import ServiceKeyDoesNotExist
from data.model.release import set_region_release
from data.model.service_keys import get_service_key
from util.config.database import sync_database_with_config
from util.generatepresharedkey import generate_key
from _init import CONF_DIR
logger = logging.getLogger(__name__)
@lru_cache(maxsize=1)
def get_audience():
audience = app.config.get('JWTPROXY_AUDIENCE')
if audience:
return audience
scheme = app.config.get('PREFERRED_URL_SCHEME')
hostname = app.config.get('SERVER_HOSTNAME')
# hostname includes port, use that
if ':' in hostname:
return urlunparse((scheme, hostname, '', '', '', ''))
# no port, guess based on scheme
if scheme == 'https':
port = '443'
else:
port = '80'
return urlunparse((scheme, hostname + ':' + port, '', '', '', ''))
def _verify_service_key():
try:
with open(app.config['INSTANCE_SERVICE_KEY_KID_LOCATION']) as f:
quay_key_id = f.read()
try:
get_service_key(quay_key_id, approved_only=False)
assert os.path.exists(app.config['INSTANCE_SERVICE_KEY_LOCATION'])
return quay_key_id
except ServiceKeyDoesNotExist:
logger.exception('Could not find non-expired existing service key %s; creating a new one',
quay_key_id)
return None
# Found a valid service key, so exiting.
except IOError:
logger.exception('Could not load existing service key; creating a new one')
return None
def setup_jwt_proxy():
"""
Creates a service key for quay to use in the jwtproxy and generates the JWT proxy configuration.
"""
if os.path.exists(os.path.join(CONF_DIR, 'jwtproxy_conf.yaml')):
# Proxy is already setup. Make sure the service key is still valid.
quay_key_id = _verify_service_key()
if quay_key_id is not None:
return
# Ensure we have an existing key if in read-only mode.
if app.config.get('REGISTRY_STATE', 'normal') == 'readonly':
quay_key_id = _verify_service_key()
if quay_key_id is None:
raise Exception('No valid service key found for read-only registry.')
else:
# Generate the key for this Quay instance to use.
minutes_until_expiration = app.config.get('INSTANCE_SERVICE_KEY_EXPIRATION', 120)
expiration = datetime.now() + timedelta(minutes=minutes_until_expiration)
quay_key, quay_key_id = generate_key(app.config['INSTANCE_SERVICE_KEY_SERVICE'],
get_audience(), expiration_date=expiration)
with open(app.config['INSTANCE_SERVICE_KEY_KID_LOCATION'], mode='w') as f:
f.truncate(0)
f.write(quay_key_id)
with open(app.config['INSTANCE_SERVICE_KEY_LOCATION'], mode='w') as f:
f.truncate(0)
f.write(quay_key.exportKey())
# Generate the JWT proxy configuration.
audience = get_audience()
registry = audience + '/keys'
security_issuer = app.config.get('SECURITY_SCANNER_ISSUER_NAME', 'security_scanner')
with open(os.path.join(CONF_DIR, 'jwtproxy_conf.yaml.jnj')) as f:
template = Template(f.read())
rendered = template.render(
conf_dir=CONF_DIR,
audience=audience,
registry=registry,
key_id=quay_key_id,
security_issuer=security_issuer,
service_key_location=app.config['INSTANCE_SERVICE_KEY_LOCATION'],
)
with open(os.path.join(CONF_DIR, 'jwtproxy_conf.yaml'), 'w') as f:
f.write(rendered)
def main():
if not app.config.get('SETUP_COMPLETE', False):
raise Exception('Your configuration bundle is either not mounted or setup has not been completed')
sync_database_with_config(app.config)
setup_jwt_proxy()
# Record deploy
if release.REGION and release.GIT_HEAD:
set_region_release(release.SERVICE, release.REGION, release.GIT_HEAD)
if __name__ == '__main__':
main()